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一、发展我区夏棉生产的气象学基础商丘位于黄淮海棉区,气候温暖。历年平均大于0℃的活动积温5130～5300℃,降水量650～880毫米,日照时数2200～2550小时,光热水条件优越。在小麦生育的10月至次年5月,当地0℃以上的积温2081℃,降雨267.5毫米,日照1398.5小时。而在夏棉生育的5月20日至10月底,大于10℃的活动积温为2870～3250℃,降雨量490～660毫米,日
First, the development of meteorology area summer cotton production Shangqiu is located in Huang-Huai sponge area, the climate is warm. Over the years the average temperature greater than 0 ℃ activity of 5130 ~ 5300 ℃, precipitation 650 ~ 880 mm, sunshine hours 2200 ~ 2550 hours, hot and cold water conditions. In wheat from October to next May, the local accumulated temperature above 0 ℃ 2081 ℃, rainfall 267.5 mm, sunshine 1398.5 hours. In summer cotton growing May 20 to the end of October, greater than 10 ℃ activity accumulated temperature 2870 ~ 3250 ℃, rainfall 490 ~ 660 mm, day